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<pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
<span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
<span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * (C) Copyright 2000-2011, by Object Refinery Limited and Contributors.<a name="line.5"></a>
<span class="sourceLineNo">006</span> *<a name="line.6"></a>
<span class="sourceLineNo">007</span> * Project Info:  http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * This library is free software; you can redistribute it and/or modify it<a name="line.9"></a>
<span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
<span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
<span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * This library is distributed in the hope that it will be useful, but<a name="line.14"></a>
<span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
<span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
<span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
<span class="sourceLineNo">018</span> *<a name="line.18"></a>
<span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
<span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
<span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,<a name="line.21"></a>
<span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
<span class="sourceLineNo">023</span> *<a name="line.23"></a>
<span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
<span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
<span class="sourceLineNo">026</span> *<a name="line.26"></a>
<span class="sourceLineNo">027</span> * -------------<a name="line.27"></a>
<span class="sourceLineNo">028</span> * XYSeries.java<a name="line.28"></a>
<span class="sourceLineNo">029</span> * -------------<a name="line.29"></a>
<span class="sourceLineNo">030</span> * (C) Copyright 2001-2011, Object Refinery Limited and Contributors.<a name="line.30"></a>
<span class="sourceLineNo">031</span> *<a name="line.31"></a>
<span class="sourceLineNo">032</span> * Original Author:  David Gilbert (for Object Refinery Limited);<a name="line.32"></a>
<span class="sourceLineNo">033</span> * Contributor(s):   Aaron Metzger;<a name="line.33"></a>
<span class="sourceLineNo">034</span> *                   Jonathan Gabbai;<a name="line.34"></a>
<span class="sourceLineNo">035</span> *                   Richard Atkinson;<a name="line.35"></a>
<span class="sourceLineNo">036</span> *                   Michel Santos;<a name="line.36"></a>
<span class="sourceLineNo">037</span> *                   Ted Schwartz (fix for bug 1955483);<a name="line.37"></a>
<span class="sourceLineNo">038</span> *<a name="line.38"></a>
<span class="sourceLineNo">039</span> * Changes<a name="line.39"></a>
<span class="sourceLineNo">040</span> * -------<a name="line.40"></a>
<span class="sourceLineNo">041</span> * 15-Nov-2001 : Version 1 (DG);<a name="line.41"></a>
<span class="sourceLineNo">042</span> * 03-Apr-2002 : Added an add(double, double) method (DG);<a name="line.42"></a>
<span class="sourceLineNo">043</span> * 29-Apr-2002 : Added a clear() method (ARM);<a name="line.43"></a>
<span class="sourceLineNo">044</span> * 06-Jun-2002 : Updated Javadoc comments (DG);<a name="line.44"></a>
<span class="sourceLineNo">045</span> * 29-Aug-2002 : Modified to give user control over whether or not duplicate<a name="line.45"></a>
<span class="sourceLineNo">046</span> *               x-values are allowed (DG);<a name="line.46"></a>
<span class="sourceLineNo">047</span> * 07-Oct-2002 : Fixed errors reported by Checkstyle (DG);<a name="line.47"></a>
<span class="sourceLineNo">048</span> * 11-Nov-2002 : Added maximum item count, code contributed by Jonathan<a name="line.48"></a>
<span class="sourceLineNo">049</span> *               Gabbai (DG);<a name="line.49"></a>
<span class="sourceLineNo">050</span> * 26-Mar-2003 : Implemented Serializable (DG);<a name="line.50"></a>
<span class="sourceLineNo">051</span> * 04-Aug-2003 : Added getItems() method (DG);<a name="line.51"></a>
<span class="sourceLineNo">052</span> * 15-Aug-2003 : Changed 'data' from private to protected, added new add()<a name="line.52"></a>
<span class="sourceLineNo">053</span> *               methods with a 'notify' argument (DG);<a name="line.53"></a>
<span class="sourceLineNo">054</span> * 22-Sep-2003 : Added getAllowDuplicateXValues() method (RA);<a name="line.54"></a>
<span class="sourceLineNo">055</span> * 29-Jan-2004 : Added autoSort attribute, based on a contribution by<a name="line.55"></a>
<span class="sourceLineNo">056</span> *               Michel Santos - see patch 886740 (DG);<a name="line.56"></a>
<span class="sourceLineNo">057</span> * 03-Feb-2004 : Added indexOf() method (DG);<a name="line.57"></a>
<span class="sourceLineNo">058</span> * 16-Feb-2004 : Added remove() method (DG);<a name="line.58"></a>
<span class="sourceLineNo">059</span> * 18-Aug-2004 : Moved from org.jfree.data --&gt; org.jfree.data.xy (DG);<a name="line.59"></a>
<span class="sourceLineNo">060</span> * 21-Feb-2005 : Added update(Number, Number) and addOrUpdate(Number, Number)<a name="line.60"></a>
<span class="sourceLineNo">061</span> *               methods (DG);<a name="line.61"></a>
<span class="sourceLineNo">062</span> * 03-May-2005 : Added a new constructor, fixed the setMaximumItemCount()<a name="line.62"></a>
<span class="sourceLineNo">063</span> *               method to remove items (and notify listeners) if necessary,<a name="line.63"></a>
<span class="sourceLineNo">064</span> *               fixed the add() and addOrUpdate() methods to handle unsorted<a name="line.64"></a>
<span class="sourceLineNo">065</span> *               series (DG);<a name="line.65"></a>
<span class="sourceLineNo">066</span> * ------------- JFreeChart 1.0.x ---------------------------------------------<a name="line.66"></a>
<span class="sourceLineNo">067</span> * 11-Jan-2005 : Renamed update(int, Number) --&gt; updateByIndex() (DG);<a name="line.67"></a>
<span class="sourceLineNo">068</span> * 15-Jan-2007 : Added toArray() method (DG);<a name="line.68"></a>
<span class="sourceLineNo">069</span> * 31-Oct-2007 : Implemented faster hashCode() (DG);<a name="line.69"></a>
<span class="sourceLineNo">070</span> * 22-Nov-2007 : Reimplemented clone() (DG);<a name="line.70"></a>
<span class="sourceLineNo">071</span> * 01-May-2008 : Fixed bug 1955483 in addOrUpdate() method, thanks to<a name="line.71"></a>
<span class="sourceLineNo">072</span> *               Ted Schwartz (DG);<a name="line.72"></a>
<span class="sourceLineNo">073</span> * 24-Nov-2008 : Further fix for 1955483 (DG);<a name="line.73"></a>
<span class="sourceLineNo">074</span> * 06-Mar-2009 : Added minX, maxX, minY and maxY fields (DG);<a name="line.74"></a>
<span class="sourceLineNo">075</span> * 10-Jun-2009 : Make clones to isolate XYDataItem instances used<a name="line.75"></a>
<span class="sourceLineNo">076</span> *               for data storage (DG);<a name="line.76"></a>
<span class="sourceLineNo">077</span> * <a name="line.77"></a>
<span class="sourceLineNo">078</span> */<a name="line.78"></a>
<span class="sourceLineNo">079</span><a name="line.79"></a>
<span class="sourceLineNo">080</span>package org.jfree.data.xy;<a name="line.80"></a>
<span class="sourceLineNo">081</span><a name="line.81"></a>
<span class="sourceLineNo">082</span>import java.io.Serializable;<a name="line.82"></a>
<span class="sourceLineNo">083</span>import java.util.Collections;<a name="line.83"></a>
<span class="sourceLineNo">084</span>import java.util.Iterator;<a name="line.84"></a>
<span class="sourceLineNo">085</span>import java.util.List;<a name="line.85"></a>
<span class="sourceLineNo">086</span><a name="line.86"></a>
<span class="sourceLineNo">087</span>import org.jfree.data.general.Series;<a name="line.87"></a>
<span class="sourceLineNo">088</span>import org.jfree.data.general.SeriesChangeEvent;<a name="line.88"></a>
<span class="sourceLineNo">089</span>import org.jfree.data.general.SeriesException;<a name="line.89"></a>
<span class="sourceLineNo">090</span>import org.jfree.util.ObjectUtilities;<a name="line.90"></a>
<span class="sourceLineNo">091</span><a name="line.91"></a>
<span class="sourceLineNo">092</span>/**<a name="line.92"></a>
<span class="sourceLineNo">093</span> * Represents a sequence of zero or more data items in the form (x, y).  By<a name="line.93"></a>
<span class="sourceLineNo">094</span> * default, items in the series will be sorted into ascending order by x-value,<a name="line.94"></a>
<span class="sourceLineNo">095</span> * and duplicate x-values are permitted.  Both the sorting and duplicate<a name="line.95"></a>
<span class="sourceLineNo">096</span> * defaults can be changed in the constructor.  Y-values can be<a name="line.96"></a>
<span class="sourceLineNo">097</span> * &lt;code&gt;null&lt;/code&gt; to represent missing values.<a name="line.97"></a>
<span class="sourceLineNo">098</span> */<a name="line.98"></a>
<span class="sourceLineNo">099</span>public class XYSeries extends Series implements Cloneable, Serializable {<a name="line.99"></a>
<span class="sourceLineNo">100</span><a name="line.100"></a>
<span class="sourceLineNo">101</span>    /** For serialization. */<a name="line.101"></a>
<span class="sourceLineNo">102</span>    static final long serialVersionUID = -5908509288197150436L;<a name="line.102"></a>
<span class="sourceLineNo">103</span><a name="line.103"></a>
<span class="sourceLineNo">104</span>    // In version 0.9.12, in response to several developer requests, I changed<a name="line.104"></a>
<span class="sourceLineNo">105</span>    // the 'data' attribute from 'private' to 'protected', so that others can<a name="line.105"></a>
<span class="sourceLineNo">106</span>    // make subclasses that work directly with the underlying data structure.<a name="line.106"></a>
<span class="sourceLineNo">107</span><a name="line.107"></a>
<span class="sourceLineNo">108</span>    /** Storage for the data items in the series. */<a name="line.108"></a>
<span class="sourceLineNo">109</span>    protected List data;<a name="line.109"></a>
<span class="sourceLineNo">110</span><a name="line.110"></a>
<span class="sourceLineNo">111</span>    /** The maximum number of items for the series. */<a name="line.111"></a>
<span class="sourceLineNo">112</span>    private int maximumItemCount = Integer.MAX_VALUE;<a name="line.112"></a>
<span class="sourceLineNo">113</span><a name="line.113"></a>
<span class="sourceLineNo">114</span>    /**<a name="line.114"></a>
<span class="sourceLineNo">115</span>     * A flag that controls whether the items are automatically sorted<a name="line.115"></a>
<span class="sourceLineNo">116</span>     * (by x-value ascending).<a name="line.116"></a>
<span class="sourceLineNo">117</span>     */<a name="line.117"></a>
<span class="sourceLineNo">118</span>    private boolean autoSort;<a name="line.118"></a>
<span class="sourceLineNo">119</span><a name="line.119"></a>
<span class="sourceLineNo">120</span>    /** A flag that controls whether or not duplicate x-values are allowed. */<a name="line.120"></a>
<span class="sourceLineNo">121</span>    private boolean allowDuplicateXValues;<a name="line.121"></a>
<span class="sourceLineNo">122</span><a name="line.122"></a>
<span class="sourceLineNo">123</span>    /** The lowest x-value in the series, excluding Double.NaN values. */<a name="line.123"></a>
<span class="sourceLineNo">124</span>    private double minX;<a name="line.124"></a>
<span class="sourceLineNo">125</span><a name="line.125"></a>
<span class="sourceLineNo">126</span>    /** The highest x-value in the series, excluding Double.NaN values. */<a name="line.126"></a>
<span class="sourceLineNo">127</span>    private double maxX;<a name="line.127"></a>
<span class="sourceLineNo">128</span><a name="line.128"></a>
<span class="sourceLineNo">129</span>    /** The lowest y-value in the series, excluding Double.NaN values. */<a name="line.129"></a>
<span class="sourceLineNo">130</span>    private double minY;<a name="line.130"></a>
<span class="sourceLineNo">131</span><a name="line.131"></a>
<span class="sourceLineNo">132</span>    /** The highest y-value in the series, excluding Double.NaN values. */<a name="line.132"></a>
<span class="sourceLineNo">133</span>    private double maxY;<a name="line.133"></a>
<span class="sourceLineNo">134</span><a name="line.134"></a>
<span class="sourceLineNo">135</span>    /**<a name="line.135"></a>
<span class="sourceLineNo">136</span>     * Creates a new empty series.  By default, items added to the series will<a name="line.136"></a>
<span class="sourceLineNo">137</span>     * be sorted into ascending order by x-value, and duplicate x-values will<a name="line.137"></a>
<span class="sourceLineNo">138</span>     * be allowed (these defaults can be modified with another constructor.<a name="line.138"></a>
<span class="sourceLineNo">139</span>     *<a name="line.139"></a>
<span class="sourceLineNo">140</span>     * @param key  the series key (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.140"></a>
<span class="sourceLineNo">141</span>     */<a name="line.141"></a>
<span class="sourceLineNo">142</span>    public XYSeries(Comparable key) {<a name="line.142"></a>
<span class="sourceLineNo">143</span>        this(key, true, true);<a name="line.143"></a>
<span class="sourceLineNo">144</span>    }<a name="line.144"></a>
<span class="sourceLineNo">145</span><a name="line.145"></a>
<span class="sourceLineNo">146</span>    /**<a name="line.146"></a>
<span class="sourceLineNo">147</span>     * Constructs a new empty series, with the auto-sort flag set as requested,<a name="line.147"></a>
<span class="sourceLineNo">148</span>     * and duplicate values allowed.<a name="line.148"></a>
<span class="sourceLineNo">149</span>     *<a name="line.149"></a>
<span class="sourceLineNo">150</span>     * @param key  the series key (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.150"></a>
<span class="sourceLineNo">151</span>     * @param autoSort  a flag that controls whether or not the items in the<a name="line.151"></a>
<span class="sourceLineNo">152</span>     *                  series are sorted.<a name="line.152"></a>
<span class="sourceLineNo">153</span>     */<a name="line.153"></a>
<span class="sourceLineNo">154</span>    public XYSeries(Comparable key, boolean autoSort) {<a name="line.154"></a>
<span class="sourceLineNo">155</span>        this(key, autoSort, true);<a name="line.155"></a>
<span class="sourceLineNo">156</span>    }<a name="line.156"></a>
<span class="sourceLineNo">157</span><a name="line.157"></a>
<span class="sourceLineNo">158</span>    /**<a name="line.158"></a>
<span class="sourceLineNo">159</span>     * Constructs a new xy-series that contains no data.  You can specify<a name="line.159"></a>
<span class="sourceLineNo">160</span>     * whether or not duplicate x-values are allowed for the series.<a name="line.160"></a>
<span class="sourceLineNo">161</span>     *<a name="line.161"></a>
<span class="sourceLineNo">162</span>     * @param key  the series key (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.162"></a>
<span class="sourceLineNo">163</span>     * @param autoSort  a flag that controls whether or not the items in the<a name="line.163"></a>
<span class="sourceLineNo">164</span>     *                  series are sorted.<a name="line.164"></a>
<span class="sourceLineNo">165</span>     * @param allowDuplicateXValues  a flag that controls whether duplicate<a name="line.165"></a>
<span class="sourceLineNo">166</span>     *                               x-values are allowed.<a name="line.166"></a>
<span class="sourceLineNo">167</span>     */<a name="line.167"></a>
<span class="sourceLineNo">168</span>    public XYSeries(Comparable key, boolean autoSort,<a name="line.168"></a>
<span class="sourceLineNo">169</span>            boolean allowDuplicateXValues) {<a name="line.169"></a>
<span class="sourceLineNo">170</span>        super(key);<a name="line.170"></a>
<span class="sourceLineNo">171</span>        this.data = new java.util.ArrayList();<a name="line.171"></a>
<span class="sourceLineNo">172</span>        this.autoSort = autoSort;<a name="line.172"></a>
<span class="sourceLineNo">173</span>        this.allowDuplicateXValues = allowDuplicateXValues;<a name="line.173"></a>
<span class="sourceLineNo">174</span>        this.minX = Double.NaN;<a name="line.174"></a>
<span class="sourceLineNo">175</span>        this.maxX = Double.NaN;<a name="line.175"></a>
<span class="sourceLineNo">176</span>        this.minY = Double.NaN;<a name="line.176"></a>
<span class="sourceLineNo">177</span>        this.maxY = Double.NaN;<a name="line.177"></a>
<span class="sourceLineNo">178</span>    }<a name="line.178"></a>
<span class="sourceLineNo">179</span><a name="line.179"></a>
<span class="sourceLineNo">180</span>    /**<a name="line.180"></a>
<span class="sourceLineNo">181</span>     * Returns the smallest x-value in the series, ignoring any Double.NaN<a name="line.181"></a>
<span class="sourceLineNo">182</span>     * values.  This method returns Double.NaN if there is no smallest x-value<a name="line.182"></a>
<span class="sourceLineNo">183</span>     * (for example, when the series is empty).<a name="line.183"></a>
<span class="sourceLineNo">184</span>     *<a name="line.184"></a>
<span class="sourceLineNo">185</span>     * @return The smallest x-value.<a name="line.185"></a>
<span class="sourceLineNo">186</span>     *<a name="line.186"></a>
<span class="sourceLineNo">187</span>     * @see #getMaxX()<a name="line.187"></a>
<span class="sourceLineNo">188</span>     *<a name="line.188"></a>
<span class="sourceLineNo">189</span>     * @since 1.0.13<a name="line.189"></a>
<span class="sourceLineNo">190</span>     */<a name="line.190"></a>
<span class="sourceLineNo">191</span>    public double getMinX() {<a name="line.191"></a>
<span class="sourceLineNo">192</span>        return this.minX;<a name="line.192"></a>
<span class="sourceLineNo">193</span>    }<a name="line.193"></a>
<span class="sourceLineNo">194</span><a name="line.194"></a>
<span class="sourceLineNo">195</span>    /**<a name="line.195"></a>
<span class="sourceLineNo">196</span>     * Returns the largest x-value in the series, ignoring any Double.NaN<a name="line.196"></a>
<span class="sourceLineNo">197</span>     * values.  This method returns Double.NaN if there is no largest x-value<a name="line.197"></a>
<span class="sourceLineNo">198</span>     * (for example, when the series is empty).<a name="line.198"></a>
<span class="sourceLineNo">199</span>     *<a name="line.199"></a>
<span class="sourceLineNo">200</span>     * @return The largest x-value.<a name="line.200"></a>
<span class="sourceLineNo">201</span>     *<a name="line.201"></a>
<span class="sourceLineNo">202</span>     * @see #getMinX()<a name="line.202"></a>
<span class="sourceLineNo">203</span>     *<a name="line.203"></a>
<span class="sourceLineNo">204</span>     * @since 1.0.13<a name="line.204"></a>
<span class="sourceLineNo">205</span>     */<a name="line.205"></a>
<span class="sourceLineNo">206</span>    public double getMaxX() {<a name="line.206"></a>
<span class="sourceLineNo">207</span>        return this.maxX;<a name="line.207"></a>
<span class="sourceLineNo">208</span>    }<a name="line.208"></a>
<span class="sourceLineNo">209</span><a name="line.209"></a>
<span class="sourceLineNo">210</span>    /**<a name="line.210"></a>
<span class="sourceLineNo">211</span>     * Returns the smallest y-value in the series, ignoring any null and<a name="line.211"></a>
<span class="sourceLineNo">212</span>     * Double.NaN values.  This method returns Double.NaN if there is no<a name="line.212"></a>
<span class="sourceLineNo">213</span>     * smallest y-value (for example, when the series is empty).<a name="line.213"></a>
<span class="sourceLineNo">214</span>     *<a name="line.214"></a>
<span class="sourceLineNo">215</span>     * @return The smallest y-value.<a name="line.215"></a>
<span class="sourceLineNo">216</span>     *<a name="line.216"></a>
<span class="sourceLineNo">217</span>     * @see #getMaxY()<a name="line.217"></a>
<span class="sourceLineNo">218</span>     *<a name="line.218"></a>
<span class="sourceLineNo">219</span>     * @since 1.0.13<a name="line.219"></a>
<span class="sourceLineNo">220</span>     */<a name="line.220"></a>
<span class="sourceLineNo">221</span>    public double getMinY() {<a name="line.221"></a>
<span class="sourceLineNo">222</span>        return this.minY;<a name="line.222"></a>
<span class="sourceLineNo">223</span>    }<a name="line.223"></a>
<span class="sourceLineNo">224</span><a name="line.224"></a>
<span class="sourceLineNo">225</span>    /**<a name="line.225"></a>
<span class="sourceLineNo">226</span>     * Returns the largest y-value in the series, ignoring any Double.NaN<a name="line.226"></a>
<span class="sourceLineNo">227</span>     * values.  This method returns Double.NaN if there is no largest y-value<a name="line.227"></a>
<span class="sourceLineNo">228</span>     * (for example, when the series is empty).<a name="line.228"></a>
<span class="sourceLineNo">229</span>     *<a name="line.229"></a>
<span class="sourceLineNo">230</span>     * @return The largest y-value.<a name="line.230"></a>
<span class="sourceLineNo">231</span>     *<a name="line.231"></a>
<span class="sourceLineNo">232</span>     * @see #getMinY()<a name="line.232"></a>
<span class="sourceLineNo">233</span>     *<a name="line.233"></a>
<span class="sourceLineNo">234</span>     * @since 1.0.13<a name="line.234"></a>
<span class="sourceLineNo">235</span>     */<a name="line.235"></a>
<span class="sourceLineNo">236</span>    public double getMaxY() {<a name="line.236"></a>
<span class="sourceLineNo">237</span>        return this.maxY;<a name="line.237"></a>
<span class="sourceLineNo">238</span>    }<a name="line.238"></a>
<span class="sourceLineNo">239</span><a name="line.239"></a>
<span class="sourceLineNo">240</span>    /**<a name="line.240"></a>
<span class="sourceLineNo">241</span>     * Updates the cached values for the minimum and maximum data values.<a name="line.241"></a>
<span class="sourceLineNo">242</span>     *<a name="line.242"></a>
<span class="sourceLineNo">243</span>     * @param item  the item added (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.243"></a>
<span class="sourceLineNo">244</span>     *<a name="line.244"></a>
<span class="sourceLineNo">245</span>     * @since 1.0.13<a name="line.245"></a>
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<span class="sourceLineNo">257</span><a name="line.257"></a>
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<span class="sourceLineNo">259</span>     * Updates the cached values for the minimum and maximum data values on<a name="line.259"></a>
<span class="sourceLineNo">260</span>     * the basis that the specified item has just been removed.<a name="line.260"></a>
<span class="sourceLineNo">261</span>     *<a name="line.261"></a>
<span class="sourceLineNo">262</span>     * @param item  the item added (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.262"></a>
<span class="sourceLineNo">263</span>     *<a name="line.263"></a>
<span class="sourceLineNo">264</span>     * @since 1.0.13<a name="line.264"></a>
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<span class="sourceLineNo">300</span>     *<a name="line.300"></a>
<span class="sourceLineNo">301</span>     * @since 1.0.13<a name="line.301"></a>
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<span class="sourceLineNo">306</span>        this.minY = Double.NaN;<a name="line.306"></a>
<span class="sourceLineNo">307</span>        this.maxY = Double.NaN;<a name="line.307"></a>
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<span class="sourceLineNo">316</span>     * Returns the flag that controls whether the items in the series are<a name="line.316"></a>
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<span class="sourceLineNo">329</span>     *<a name="line.329"></a>
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<span class="sourceLineNo">337</span>     * Returns the number of items in the series.<a name="line.337"></a>
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<span class="sourceLineNo">339</span>     * @return The item count.<a name="line.339"></a>
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<span class="sourceLineNo">341</span>     * @see #getItems()<a name="line.341"></a>
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<span class="sourceLineNo">348</span>     * Returns the list of data items for the series (the list contains<a name="line.348"></a>
<span class="sourceLineNo">349</span>     * {@link XYDataItem} objects and is unmodifiable).<a name="line.349"></a>
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<span class="sourceLineNo">351</span>     * @return The list of data items.<a name="line.351"></a>
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<span class="sourceLineNo">361</span>     * @return The maximum item count.<a name="line.361"></a>
<span class="sourceLineNo">362</span>     *<a name="line.362"></a>
<span class="sourceLineNo">363</span>     * @see #setMaximumItemCount(int)<a name="line.363"></a>
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<span class="sourceLineNo">371</span>     * If you add a new item to the series such that the number of items will<a name="line.371"></a>
<span class="sourceLineNo">372</span>     * exceed the maximum item count, then the first element in the series is<a name="line.372"></a>
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<span class="sourceLineNo">375</span>     * &lt;p&gt;<a name="line.375"></a>
<span class="sourceLineNo">376</span>     * Typically this value is set before the series is populated with data,<a name="line.376"></a>
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<span class="sourceLineNo">379</span>     * all registered listeners).<a name="line.379"></a>
<span class="sourceLineNo">380</span>     *<a name="line.380"></a>
<span class="sourceLineNo">381</span>     * @param maximum  the maximum number of items for the series.<a name="line.381"></a>
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<span class="sourceLineNo">394</span>     * Adds a data item to the series and sends a {@link SeriesChangeEvent} to<a name="line.394"></a>
<span class="sourceLineNo">395</span>     * all registered listeners.<a name="line.395"></a>
<span class="sourceLineNo">396</span>     *<a name="line.396"></a>
<span class="sourceLineNo">397</span>     * @param item  the (x, y) item (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.397"></a>
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<span class="sourceLineNo">404</span>    /**<a name="line.404"></a>
<span class="sourceLineNo">405</span>     * Adds a data item to the series and sends a {@link SeriesChangeEvent} to<a name="line.405"></a>
<span class="sourceLineNo">406</span>     * all registered listeners.<a name="line.406"></a>
<span class="sourceLineNo">407</span>     *<a name="line.407"></a>
<span class="sourceLineNo">408</span>     * @param x  the x value.<a name="line.408"></a>
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<span class="sourceLineNo">415</span>    /**<a name="line.415"></a>
<span class="sourceLineNo">416</span>     * Adds a data item to the series and, if requested, sends a<a name="line.416"></a>
<span class="sourceLineNo">417</span>     * {@link SeriesChangeEvent} to all registered listeners.<a name="line.417"></a>
<span class="sourceLineNo">418</span>     *<a name="line.418"></a>
<span class="sourceLineNo">419</span>     * @param x  the x value.<a name="line.419"></a>
<span class="sourceLineNo">420</span>     * @param y  the y value.<a name="line.420"></a>
<span class="sourceLineNo">421</span>     * @param notify  a flag that controls whether or not a<a name="line.421"></a>
<span class="sourceLineNo">422</span>     *                {@link SeriesChangeEvent} is sent to all registered<a name="line.422"></a>
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<span class="sourceLineNo">429</span>    /**<a name="line.429"></a>
<span class="sourceLineNo">430</span>     * Adds a data item to the series and sends a {@link SeriesChangeEvent} to<a name="line.430"></a>
<span class="sourceLineNo">431</span>     * all registered listeners.  The unusual pairing of parameter types is to<a name="line.431"></a>
<span class="sourceLineNo">432</span>     * make it easier to add &lt;code&gt;null&lt;/code&gt; y-values.<a name="line.432"></a>
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<span class="sourceLineNo">442</span>     * Adds a data item to the series and, if requested, sends a<a name="line.442"></a>
<span class="sourceLineNo">443</span>     * {@link SeriesChangeEvent} to all registered listeners.  The unusual<a name="line.443"></a>
<span class="sourceLineNo">444</span>     * pairing of parameter types is to make it easier to add null y-values.<a name="line.444"></a>
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<span class="sourceLineNo">448</span>     * @param notify  a flag that controls whether or not a<a name="line.448"></a>
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<span class="sourceLineNo">457</span>     * Adds a new data item to the series (in the correct position if the<a name="line.457"></a>
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<span class="sourceLineNo">460</span>     * &lt;P&gt;<a name="line.460"></a>
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<span class="sourceLineNo">475</span>    /**<a name="line.475"></a>
<span class="sourceLineNo">476</span>     * Adds new data to the series and, if requested, sends a<a name="line.476"></a>
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<span class="sourceLineNo">478</span>     * &lt;P&gt;<a name="line.478"></a>
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<span class="sourceLineNo">484</span>     * @param notify  a flag the controls whether or not a<a name="line.484"></a>
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<span class="sourceLineNo">1000</span>            XYDataItem item = getRawDataItem(count / 2);<a name="line.1000"></a>
<span class="sourceLineNo">1001</span>            result = 29 * result + item.hashCode();<a name="line.1001"></a>
<span class="sourceLineNo">1002</span>        }<a name="line.1002"></a>
<span class="sourceLineNo">1003</span>        result = 29 * result + this.maximumItemCount;<a name="line.1003"></a>
<span class="sourceLineNo">1004</span>        result = 29 * result + (this.autoSort ? 1 : 0);<a name="line.1004"></a>
<span class="sourceLineNo">1005</span>        result = 29 * result + (this.allowDuplicateXValues ? 1 : 0);<a name="line.1005"></a>
<span class="sourceLineNo">1006</span>        return result;<a name="line.1006"></a>
<span class="sourceLineNo">1007</span>    }<a name="line.1007"></a>
<span class="sourceLineNo">1008</span><a name="line.1008"></a>
<span class="sourceLineNo">1009</span>}<a name="line.1009"></a>
<span class="sourceLineNo">1010</span><a name="line.1010"></a>




























































</pre>
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